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Endpoint 0 now modifies input streaming interface descs based on bus speed (previously only did out..). brNrChannels also now modded based on bus-speed.

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Ross Owen
2014-01-22 22:00:29 +00:00
parent 9708c45e2f
commit 1a619727f0
1 changed files with 46 additions and 8 deletions
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54
module_usb_audio/endpoint0/endpoint0.xc
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@@ -589,27 +589,65 @@ void Endpoint0( chanend c_ep0_out, chanend c_ep0_in, chanend c_audioControl,
/* Unfortunately we need to munge the descriptors a bit between full and high-speed */
if(g_curUsbSpeed == XUD_SPEED_HS)
{
/* Output interface - Interface 1 */
/* Mod bSlotSize */
cfgDesc_Audio2[STREAMING_ALT1_OFFSET+4] = SAMPLE_SUBSLOT_SIZE_HS;
cfgDesc_Audio2[STREAMING_OUTPUT_ALT1_OFFSET+20] = SAMPLE_SUBSLOT_SIZE_HS;
/* Mod bBitResolution */
cfgDesc_Audio2[STREAMING_ALT1_OFFSET+5] = SAMPLE_BIT_RESOLUTION_HS;
cfgDesc_Audio2[STREAMING_OUTPUT_ALT1_OFFSET+21] = SAMPLE_BIT_RESOLUTION_HS;
/* wMaxPacketSize */
cfgDesc_Audio2[STREAMING_ALT1_OFFSET+10] = MAX_PACKET_SIZE_OUT_HS&0xff;
cfgDesc_Audio2[STREAMING_ALT1_OFFSET+11] = (MAX_PACKET_SIZE_OUT_HS&0xff00)>>8;
cfgDesc_Audio2[STREAMING_OUTPUT_ALT1_OFFSET+26] = MAX_PACKET_SIZE_OUT_HS&0xff;
cfgDesc_Audio2[STREAMING_OUTPUT_ALT1_OFFSET+27] = (MAX_PACKET_SIZE_OUT_HS&0xff00)>>8;
/* bNrChannels */
cfgDesc_Audio2[STREAMING_OUTPUT_ALT1_OFFSET+10] = NUM_USB_CHAN_OUT;
/* Input interface - Interface 2 */
/* Mod bSlotSize */
cfgDesc_Audio2[STREAMING_INPUT_ALT1_OFFSET+20] = SAMPLE_SUBSLOT_SIZE_HS;
/* Mod bBitResolution */
cfgDesc_Audio2[STREAMING_INPUT_ALT1_OFFSET+21] = SAMPLE_BIT_RESOLUTION_HS;
/* wMaxPacketSize */
cfgDesc_Audio2[STREAMING_INPUT_ALT1_OFFSET+26] = MAX_PACKET_SIZE_IN_HS&0xff;
cfgDesc_Audio2[STREAMING_INPUT_ALT1_OFFSET+27] = (MAX_PACKET_SIZE_IN_HS&0xff00)>>8;
/* bNrChannels */
cfgDesc_Audio2[STREAMING_INPUT_ALT1_OFFSET+10] = NUM_USB_CHAN_IN;
}
else
{
/* Output interface - Interface 1 */
/* Mod bSlotSize */
cfgDesc_Audio2[STREAMING_ALT1_OFFSET+4] = SAMPLE_SUBSLOT_SIZE_FS;
cfgDesc_Audio2[STREAMING_OUTPUT_ALT1_OFFSET+20] = SAMPLE_SUBSLOT_SIZE_FS;
/* Mod bBitResolution */
cfgDesc_Audio2[STREAMING_ALT1_OFFSET+5] = SAMPLE_BIT_RESOLUTION_FS;
cfgDesc_Audio2[STREAMING_OUTPUT_ALT1_OFFSET+21] = SAMPLE_BIT_RESOLUTION_FS;
/* wMaxPacketSize */
cfgDesc_Audio2[STREAMING_ALT1_OFFSET+10] = MAX_PACKET_SIZE_OUT_FS&0xff;
cfgDesc_Audio2[STREAMING_ALT1_OFFSET+11] = (MAX_PACKET_SIZE_OUT_FS&0xff00)>>8;
cfgDesc_Audio2[STREAMING_OUTPUT_ALT1_OFFSET+26] = MAX_PACKET_SIZE_OUT_FS&0xff;
cfgDesc_Audio2[STREAMING_OUTPUT_ALT1_OFFSET+27] = (MAX_PACKET_SIZE_OUT_FS&0xff00)>>8;
/* bNrChannels */
cfgDesc_Audio2[STREAMING_OUTPUT_ALT1_OFFSET+10] = NUM_USB_CHAN_OUT_FS;
/* Input interface - Interface 2 */
/* Mod bSlotSize */
cfgDesc_Audio2[STREAMING_INPUT_ALT1_OFFSET+20] = SAMPLE_SUBSLOT_SIZE_FS;
/* Mod bBitResolution */
cfgDesc_Audio2[STREAMING_INPUT_ALT1_OFFSET+21] = SAMPLE_BIT_RESOLUTION_FS;
/* wMaxPacketSize */
cfgDesc_Audio2[STREAMING_INPUT_ALT1_OFFSET+26] = MAX_PACKET_SIZE_IN_FS&0xff;
cfgDesc_Audio2[STREAMING_INPUT_ALT1_OFFSET+27] = (MAX_PACKET_SIZE_IN_FS&0xff00)>>8;
/* bNrChannels */
cfgDesc_Audio2[STREAMING_INPUT_ALT1_OFFSET+10] = NUM_USB_CHAN_IN_FS;
}
retVal = USB_StandardRequests(ep0_out, ep0_in,